Requesting some expertise help on some bulbed blind rivets, NAS1919.
1. What would cause a condition where there is a gap between the blind formed rivet head and the rivet sleeve after installation?
2. Does this condition pose any risks? When pushing/pulling at the formed rivet head there was...
Hydtools - Correct. That's what my quality group is not understanding, the fact we can't possibly reference two contradicting standards.
MintJulep - Fortunately we only spot check the rivets but there are many we check.
1gibson & hendersdc - Lol
Kenat,
Yes I realize that fact of precedence, hence this post to attempt to trace back those values if they exist somewhere. Just simply having other referencing information would give me leverage to updating our own specifications if...more likely when, an issue occurs.
Kenat, one of the lead engineers is claiming the wording (within +0.005 - 0.008 inches) is ambiguous and could insinuate the tolerance is + .005 to + .008. The existing design is 40 years old so we are up to interpreting these tolerances and specs.
Racook, these are missile command...
Hi there!
I am working on an aluminum shelter that involves about 55,000 various rivets. The particular rivets I have a question on are NAS1921 rivets, 100 degree flush head countersunk blind rivets. We use various size and grips lengths along with an internal installation spec, heavily...
